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Prevalence of Prediabetes

  • An estimated 33.9% of U.S. adults aged 18 years or older (84.1 million people) had prediabetes in 2015, based on their fasting glucose or A1C level. Nearly half (48.3%) of adults aged 65 years or older had prediabetes (Table 3) (Methods).
  • Among adults with prediabetes, 11.6% reported being told by a health professional that they had this condition (Table 3).
  • Age-adjusted data for 2011–2014 indicated that more men (36.6%) than women (29.3%) had prediabetes. Prevalence of prediabetes was similar among racial and ethnic groups (see Table 3a in the Appendix for more details).
Table 3. Estimated number, percentage, and awareness of prediabetes among adults aged ≥18 years, United States, 2015
Characteristic No. in millions (95% CI)a Percentage (95% CI)b Percentage aware of prediabetes (95% CI)a,c
Total 84.1 (78.0–90.4) 33.9 (31.5–36.5) 11.6 (9.9–13.6)
Age in years
18–44 27.4 (24.5–30.6) 23.7 (21.1–26.4) 8.2 (5.8–11.5)
45–64 34.3 (31.5–37.2) 40.9 (37.5–44.3) 12.9 (10.2–16.1)
≥65 23.1 (21.1–25.1) 48.3 (44.2–52.5) 14.1 (10.5–18.6)
Sex
Women 39.5 (36.0–43.3) 31.1 (28.3–34.0) 14.1 (11.3–17.6)
Men 44.5 (40.5–48.7) 36.9 (33.6–40.4) 9.4 (6.6–13.3)
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  • Page last reviewed: February 19, 2018
  • Page last updated: February 19, 2018
  • Content source:
  • Maintained By:
    • National Center for Chronic Disease Prevention and Health Promotion, Division of Diabetes Translation
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